Finding the Fourth Proportional to 4,499.88, 6,209.86 and 2,821.94

Step by Step Solution

1. Step 1: Write the proportion equation
   4,499.88 : 6,209.86 = 2,821.94 : x
2. Step 2: Convert to fraction form
   4,499.88/6,209.86 = 2,821.94/x
3. Step 3: Cross multiply
   4,499.88x = 6,209.86 × 2,821.94
4. Step 4: Simplify right side
   4,499.88x = 17,523,852.33
5. Step 5: Solve for x
   x = 17,523,852.33/4,499.88
6. Step 6: Final answer
   x = 3,894.29